Ubuntu Pocket Guide and Reference has been released and available for download from the official (authors') website. This guide is written by Keir Thomas and he claims that it is a totally unique and concise guide for everyday Ubuntu user.
From the project site:
At just 5.25 x 8 inches and 164 pages, Ubuntu Pocket Guide and Reference is a compact yet comprehensive guide to everyday Ubuntu use.
It's ideal for those who need vital information on all aspects of using Ubuntu, but who don’t have time to wade through thick documentation.
Each chapter of Ubuntu Pocket Guide and Reference tackles an aspect of Ubuntu.
First, you learn about installation—getting Ubuntu onto your computer—after which you learn how to configure your computer's hardware.
Focuses on core competencies and background knowledge needed to be an expert Ubuntu user;
Readable, accessible, and easy to understand—even if you've never used Linux before;
100% new and original! Written from the ground-up to cover Ubuntu 8.04 and 8.10.